FLOW Consortium to Operate and Maintain Riyadh Metro Lines 3-6
The FLOW Consortium, including Alstom, has been awarded a contract to operate and maintain lines 3, 4, 5, and 6 of the Riyadh Metro for a 12-year period.

PARIS – Alstom, as part of the FLOW Consortium, has received a Letter of Award from the Arriyadh Development Authority (ADA) for the operation and maintenance of Riyadh Metro lines 3, 4, 5, and 6. The contract covers a 12-year period, with Alstom's scope for rolling stock and systems maintenance valued at over €730 million.
The total value for the consortium amounts to approximately 10.9 billion Saudi Arabian Riyals (around €2.5 billion). Alstom's responsibilities will encompass the full maintenance of the transit system, including trains supplied for lines 4, 5, and 6, as well as fixed installations such as tracks, signalling, communication systems, passenger information systems, and power supply.
With a presence in Saudi Arabia for nearly 60 years, Alstom is currently supplying integrated metro systems for lines 4, 5, and 6. The company stated that this award demonstrates renewed trust in Alstom's capabilities and expertise, highlighting its commitment to supporting the Kingdom's mobility projects for a more efficient and sustainable transport network.
The FLOW Consortium will provide comprehensive services for the 113 km of metro lines featuring 50 stations. These services include metro operation, security, passenger assistance, and facility management. The contract also mandates increased local content and employment, with a Saudization target of over 45 percent.